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All Questions
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237665 Questions
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515
1
I pick two whole numbers
I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers?
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Guest
May 14, 2021
0
383
1
help coordinates
Let P be a variable point on the parabola y^2 = 2x and Let B and C be points on the y-axis so that the circle (x - 4)^2 + y^2 = 1 is inscribed in triangle PBC. Find the minimum area of triangle PBC.
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Guest
May 14, 2021
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463
1
please
hello please help oh god 16x^7/56x^4 simlfyp
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Guest
May 14, 2021
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433
1
please
(x+3)^2, looking for help please god
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Guest
May 14, 2021
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629
1
what is the largest area the farmer can enclose?
A farmer is building a fence to enclose a rectangular area against an existing wall, shown in the figure below Fenced in Region Three of the sides will require fencing and the fourth wall already exists If the farmer has 148 feet of fencing, what is the
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Guest
May 14, 2021
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493
1
Nevermind, I got help from another person.
Let $f(x) = x^3 + 3x ^2 + 4x - 7$ and $g(x) = -7x^4 + 5x^3 +x^2 - 7$. What is the coefficient of $x^3$ in the sum $f(x) + g(x)$?
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Guest
May 14, 2021
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611
1
+40
Completely simplify and rationalize the denominator:
Completely simplify and rationalize the denominator: $$\frac{\sqrt{160}}{\sqrt{252}}\times\frac{\sqrt{245}}{\sqrt{108}}$$
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nousername
May 14, 2021
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536
1
algebra
If a + b = 7 and a^3 + b^3 = 44, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.
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Guest
May 14, 2021
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569
1
Algebra
Positive real numbers x, y satisfy the equations x^2 + y^2 = 1 and x^4 + y^4 = 17/19. Find xy.
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Guest
May 14, 2021
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335
0
algebra
The parabolas defined by the equations y = -x^2 - x + 1 and y = x^2 - 3x - 3 intersect at points (a,b) and (c,d), where c >= a. What is c - a? Express your answer as a common fraction.
Guest
May 14, 2021
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494
4
coordinates
In terms of pi, what is the area of the circle defined by the equation 2x^2+2y^2+10x-6y-48=0
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Guest
May 14, 2021
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302
0
inequality
Find all x that satisfy the inequality (2x+10)(x+3)<(3x+9)(x-8) . Express your answer in interval notation.
Guest
May 14, 2021
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658
2
For all real numbers x find the minimum value of
For all real numbers x find the minimum value of
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Guest
May 14, 2021
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866
3
Let x be a real number such that x^2+7x+12 0. Find the largest possible value of x^2 + 5x + 6
Let x be a real number such that x^2+7x+120. Find the largest possible value of x^2 + 5x + 6
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Guest
May 14, 2021
May 13, 2021
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505
3
how to rewite 10x + 4 - 3 + 8x + 2, x2 + 4 + 2(x - 1) + 3 + 2x, and 3x2 - 48x?
how to rewite 10x + 4 - 3 + 8x + 2, x2 + 4 + 2(x - 1) + 3 + 2x, and 3x2 - 48x?
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Guest
May 13, 2021
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497
3
Liz
how to find the surface area and volume of a rectangular prism with a square base, sides of 8 1/2 inches and a height of 12 2/3 inches?
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Guest
May 13, 2021
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445
1
geometry
D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 3. What is [ABD]?
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Guest
May 13, 2021
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506
4
Please Help Me!
As shown in the diagram, a rectangular piece of paper ABCD was folded along CP where P is located one-third of the way from A to B. We know the total area covered by the folded paper is 213 square inches with a 75 square inch overlapping area. Find the
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Guest
May 13, 2021
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672
2
On a shopping trip, Iryna drove 6 km at 60 km/h, 3 km at 90 km/h and 2 km at 30 km/h. Find her average speed for the whole trip.
On a shopping trip, Iryna drove 6 km at 60 km/h, 3 km at 90 km/h and 2 km at 30 km/h. Find her average speed for the whole trip.
Enter only numerical answer with no space and round your answer to the nearest hundredth (if needed).
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Guest
May 13, 2021
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566
1
help needed
What is the vector that results from transforming a⃗ by the transformation matrix?
a⃗ =[3−1] and B=[7. −6
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Guest
May 13, 2021
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434
1
algebra
Two parabolas are the graphs of the equations y= 2x^2 - 7x + 1 and y = 8x^2 - 25x + 13. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
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Guest
May 13, 2021
0
379
1
geometric sequences
We have two geometric sequences of positive real numbers:
6,a,b and a,b,1296
Solve for a
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Guest
May 13, 2021
0
467
1
Please help
What is the component form of the vector whose tail is the point (−2,6), and whose head is the point (3,−4)?
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Guest
May 13, 2021
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550
2
how
In the complex plane, the graph of |z-3|=2*|z+3| intersects the graph of |z|=k in exactly one point. Find all possible values of k.
Enter all possible values, separated by commas.
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Guest
May 13, 2021
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474
1
what is 2 to the 4/12
what is 2 to the 4/12?
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Guest
May 13, 2021
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